1565nm Non-ablative Fractional Laser Treat Alopecia Areata

Inclusion Criteria: Male or female subjects aged ≥ 18 years and ≤ 55 years of age; Alopecia areata subjects, and diagnosed with alopecia areata for 6 -12 months before screening; Women of childbearing age, non-pregnant or lactating, and subjects and their partners voluntarily take contraceptive measures deemed effective by the investigator during treatment and for at least 6 months after the last trial; Those who have no contraindications to the use of materials; Subject is able to understand and voluntarily sign the written informed consent form, which must be signed prior to the execution of any trial-specified study procedures; Subjects must be voluntary and able to complete the study procedure and follow-up examination. Exclusion Criteria: Subjects who meet the diagnostic criteria for alopecia areata but are accompanied by the following diseases cannot be enrolled: local infection (bacterial, fungal or viral) at the site requiring laser treatment; Have a psychiatric disorder (e.g., schizophrenia, neurosis, organic psychosis, etc.); Subjects who have previously treated drugs or surgeries and cannot be enrolled in the following situations: receiving other anti-alopecia areata treatments (including topical glucocorticoids,microneedling, laser treatment, etc.) at the same time; Receiving any other clinical investigational drug treatment concurrently; Any other situation or condition in which the investigator considers that the subject is not suitable to participate in this study.